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230213211331 = 613773987071
BaseRepresentation
bin1101011001100111000…
…1101101010011000011
3211000012221202211211111
43112121301231103003
512232434040230311
6253431500024151
722426620003145
oct3263161552303
9730187684744
10230213211331
11896a63a1044
1238749b32057
131892a915a0c
14b1dc98ac95
155ec5b66d21
hex3599c6d4c3

230213211331 has 4 divisors (see below), whose sum is σ = 233987198464. Its totient is φ = 226439224200.

The previous prime is 230213211329. The next prime is 230213211337. The reversal of 230213211331 is 133112312032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 230213211331 - 21 = 230213211329 is a prime.

It is a super-2 number, since 2×2302132113312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230213211337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1886993475 + ... + 1886993596.

It is an arithmetic number, because the mean of its divisors is an integer number (58496799616).

Almost surely, 2230213211331 is an apocalyptic number.

230213211331 is a deficient number, since it is larger than the sum of its proper divisors (3773987133).

230213211331 is an equidigital number, since it uses as much as digits as its factorization.

230213211331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773987132.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 230213211331 its reverse (133112312032), we get a palindrome (363325523363).

The spelling of 230213211331 in words is "two hundred thirty billion, two hundred thirteen million, two hundred eleven thousand, three hundred thirty-one".

Divisors: 1 61 3773987071 230213211331